How to connect MC4 Connectors?

In MC4 Connectors, there is a gland on the upper side. On opening the connector, you'll see a lugs. In connector also has a DC wire which needs to be peeled first. Thereafter, shape the wire round and fixed it on lugs. With the help of a crimping tool, you can crimp it. After crimping, you can insert it in the MC4 Connector. If you hear 'clicking' sound, it means your MC4 Connector is perfectly connected. After that, with a help of a gland, you can tighten it. Hence, you have now connected MC4 Connectors rightly.